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Investments In Securities Investments In Securities (Schedule of Variable Interest Entities) (Details) - Other investments	Sep. 30, 2016 USD ($)
Variable Interest Entity [Line Items]
Carrying Value	$ 8,058,966
Estimated Fair Value	7,533,041
Maximum Potential Loss	16,775,000
Tax credit LPs
Variable Interest Entity [Line Items]
Carrying Value	1,137,346
Estimated Fair Value	1,137,346
Maximum Potential Loss	1,325,000
Real estate LLCs or LPs
Variable Interest Entity [Line Items]
Carrying Value	3,838,897
Estimated Fair Value	4,323,037
Maximum Potential Loss	6,350,000
Small business investment LPs
Variable Interest Entity [Line Items]
Carrying Value	3,082,723
Estimated Fair Value	2,072,658
Maximum Potential Loss	$ 9,100,000

X

- Definition

Estimated fair value amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.

+ References

No definition available.

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5747-111685

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685

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